diff options
| author |   Florin Coras <fcoras@cisco.com> | 2019-11-20 18:34:58 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2019-11-21 20:12:24 +0000 |
| commit | f4ce6ba22541de1d08b69e8123493e87ec5acef0 (patch) | |
| tree | 2e10baf1593e22095d1a75b286df054a87dcbc85 /src/vnet/tcp/tcp.c | |
| parent | ff31ac6809d9913ebd2f58a3a4153a0f419b9a77 (diff) | |
tcp: add no csum offload config option
Type: feature
Change-Id: I77b3ee74229f3c85e99f74bf9000cb5aedbc1760
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.c')
| -rw-r--r-- | src/vnet/tcp/tcp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index 86729011f8f..baa5c0daa61 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -705,6 +705,9 @@ tcp_init_snd_vars (tcp_connection_t * tc) tc->snd_nxt = tc->iss + 1; tc->snd_una_max = tc->snd_nxt; tc->srtt = 100; /* 100 ms */ + + if (!tcp_cfg.csum_offload) + tc->cfg_flags |= TCP_CFG_F_NO_CSUM_OFFLOAD; } void @@ -1656,6 +1659,7 @@ tcp_configuration_init (void) tcp_cfg.initial_cwnd_multiplier = 0; tcp_cfg.enable_tx_pacing = 1; tcp_cfg.allow_tso = 0; + tcp_cfg.csum_offload = 1; tcp_cfg.cc_algo = TCP_CC_NEWRENO; tcp_cfg.rwnd_min_update_ack = 1; @@ -1797,6 +1801,8 @@ tcp_config_fn (vlib_main_t * vm, unformat_input_t * input) tcp_cfg.enable_tx_pacing = 0; else if (unformat (input, "tso")) tcp_cfg.allow_tso = 1; + else if (unformat (input, "no-csum-offload")) + tcp_cfg.csum_offload = 0; else if (unformat (input, "cc-algo %U", unformat_tcp_cc_algo, &tcp_cfg.cc_algo)) ; |